ALTA/LITTLE COTTONWOOD CANYON HRRR-DERIVED FORECAST GUIDANCE *************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED, AND UNOFFICIAL FORECAST * *************************************************************** CREATED/MAINTAINED BY THE STEENBURGH GROUP DEPARTMENT OF ATMOSPHERIC SCIENCES UNIVERSITY OF UTAH Contact: jim.steenburgh@utah.edu WETBULBZERO, 1H QPF, ACCUM QPF DIRECTLY FROM HRRR COLLINS SNOW RATIO/H2O, MT BALDY T/RH, MT BALDY WIND, 1H SNOW, and ACCUM SNOW based on machine learning including UU RF SLR algorithm Based on 18Z 25-Apr-2025 intialized HRRR FORECAST HOURS 0-48 FHR VALID MOUNTAIN TIME COLLINS T MT BALDY T/RH MT BALDY WIND WETBULBZERO SLR/H2O 1H QPF / 1H SNOW / ACCUM QPF / ACCUM SNOW 0 12 PM Fri Apr 25 2025 39F 31F / 72% SE 9 G 25 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 01 PM Fri Apr 25 2025 41F 32F / 85% SE 8 G 25 MPH 9500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 02 PM Fri Apr 25 2025 44F 34F / 65% SE 8 G 22 MPH 9500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 3 03 PM Fri Apr 25 2025 43F 35F / 55% SSE 8 G 23 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 04 PM Fri Apr 25 2025 43F 34F / 40% S 10 G 24 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 05 PM Fri Apr 25 2025 43F 34F / 31% S 10 G 22 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 06 PM Fri Apr 25 2025 40F 35F / 33% S 10 G 23 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 07 PM Fri Apr 25 2025 39F 34F / 38% SSW 12 G 25 MPH 9500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 08 PM Fri Apr 25 2025 37F 33F / 43% SSW 14 G 28 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 09 PM Fri Apr 25 2025 35F 32F / 42% SSW 16 G 32 MPH 9200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 10 10 PM Fri Apr 25 2025 34F 31F / 45% SW 12 G 26 MPH 8900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 11 11 PM Fri Apr 25 2025 33F 30F / 39% S 14 G 30 MPH 8500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 12 12 AM Sat Apr 26 2025 32F 28F / 41% S 14 G 30 MPH 8200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 13 01 AM Sat Apr 26 2025 31F 28F / 40% SSW 16 G 32 MPH 7900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 14 02 AM Sat Apr 26 2025 30F 27F / 40% S 17 G 33 MPH 7700 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 15 03 AM Sat Apr 26 2025 30F 27F / 42% S 18 G 36 MPH 7600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 16 04 AM Sat Apr 26 2025 29F 26F / 43% SSW 18 G 35 MPH 7600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 17 05 AM Sat Apr 26 2025 28F 25F / 42% S 18 G 34 MPH 7300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 18 06 AM Sat Apr 26 2025 27F 24F / 41% S 17 G 34 MPH 7300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 07 AM Sat Apr 26 2025 27F 24F / 43% S 17 G 33 MPH 7100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 20 08 AM Sat Apr 26 2025 28F 25F / 45% SSE 17 G 34 MPH 7400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 21 09 AM Sat Apr 26 2025 30F 26F / 45% SSE 16 G 33 MPH 7300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 22 10 AM Sat Apr 26 2025 33F 27F / 52% SSE 13 G 32 MPH 7400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 23 11 AM Sat Apr 26 2025 35F 28F / 58% SSE 13 G 30 MPH 7500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 24 12 PM Sat Apr 26 2025 38F 29F / 57% SSE 13 G 33 MPH 7800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 25 01 PM Sat Apr 26 2025 39F 31F / 53% SSE 12 G 31 MPH 8100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 26 02 PM Sat Apr 26 2025 41F 32F / 46% SSE 13 G 31 MPH 8200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 27 03 PM Sat Apr 26 2025 42F 33F / 42% S 12 G 29 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 28 04 PM Sat Apr 26 2025 43F 34F / 41% S 11 G 25 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 05 PM Sat Apr 26 2025 43F 34F / 45% S 9 G 22 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 06 PM Sat Apr 26 2025 40F 34F / 45% S 8 G 19 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 07 PM Sat Apr 26 2025 37F 33F / 42% S 9 G 21 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 08 PM Sat Apr 26 2025 36F 32F / 37% S 10 G 24 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 33 09 PM Sat Apr 26 2025 34F 32F / 37% SSE 11 G 24 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 10 PM Sat Apr 26 2025 33F 30F / 42% SSE 9 G 21 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 11 PM Sat Apr 26 2025 31F 28F / 51% S 11 G 23 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 12 AM Sun Apr 27 2025 30F 28F / 50% SSE 12 G 24 MPH 8300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 37 01 AM Sun Apr 27 2025 30F 28F / 57% SSE 14 G 29 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 02 AM Sun Apr 27 2025 29F 26F / 55% SSE 15 G 28 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 39 03 AM Sun Apr 27 2025 28F 26F / 55% SE 14 G 30 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 04 AM Sun Apr 27 2025 28F 25F / 64% SE 15 G 31 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 05 AM Sun Apr 27 2025 27F 24F / 64% SSE 15 G 37 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 06 AM Sun Apr 27 2025 26F 23F / 65% SE 16 G 36 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 43 07 AM Sun Apr 27 2025 26F 22F / 65% SE 17 G 35 MPH 7000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 44 08 AM Sun Apr 27 2025 28F 23F / 70% SE 13 G 36 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 45 09 AM Sun Apr 27 2025 29F 24F / 79% SE 11 G 32 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 46 10 AM Sun Apr 27 2025 28F 22F / 78% SE 12 G 34 MPH 7000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 47 11 AM Sun Apr 27 2025 28F 21F / 89% SSE 11 G 27 MPH 7000 FT 11:1 / 9% 0.04" / 0.4" 0.04" / 0.4" 48 12 PM Sun Apr 27 2025 27F 21F / 83% SSE 8 G 23 MPH 6300 FT 11:1 / 9% 0.08" / 0.9" 0.12" / 1.3"